package servlet.content.util;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.netscenery.yang.model.Module;

import offer.ConvertToJson;
import offer.GetDataSource;
import offer.GetNodeFromModule;



public class AjaxGetModuleList extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AjaxGetModuleList() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/xml; charset=utf-8");
		request.setCharacterEncoding("utf-8");
		response.setHeader("Cache-Control","no-cache"); 
		PrintWriter out = response.getWriter();
		Module module =      GetDataSource.getDataRead(request);
		StringBuilder     xmlData         = new StringBuilder();
		xmlData.append("<?xml version='1.0' encoding='UTF-8'?>");
		xmlData.append("<moduleList>");
		xmlData.append("<moduleItem>");
		xmlData.append("<moduleType>MainModule</moduleType>");
		xmlData.append("<moduleName>");
		xmlData.append(module.getName());
		xmlData.append("</moduleName>");
		xmlData.append("</moduleItem>");
		if(null != module.getEnv().getModules()){
			for(int i = 0 ; i < module.getEnv().getModules().size(); i++ ){
				xmlData.append("<moduleItem>");
				xmlData.append("<moduleType>MainModule</moduleType>");
				xmlData.append("<moduleName>");
				xmlData.append(module.getEnv().getModules().get(i).getName());
				xmlData.append("</moduleName>");
				xmlData.append("</moduleItem>");
			}
		}
		if(null != module.getEnv().getSubModules()){
			for(int i = 0 ; i < module.getEnv().getSubModules().size(); i++){
				xmlData.append("<moduleItem>");
				xmlData.append("<moduleType>SubModule</moduleType>");
				xmlData.append("<moduleName>");
				xmlData.append(module.getEnv().getModules().get(i).getName());
				xmlData.append("</moduleName>");
				xmlData.append("</moduleItem>");
			}
		}
		xmlData.append("</moduleList>");
		out.write(xmlData.toString());
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the POST method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
